chemistry question. help please?

Liz M

New member
when 1.00 L of 1.00 M of Ba(NO3)2 solution at 25C is mixed with 1.00 L of 1.00 M Na2SO4 solution at 25C in a calorimeter, the white solid BaSO4 forms and the temperature of the mixture increases to 28.1C in a calorimeter. Assuming the calorimeter absorbs only a negligible quantity of heat, that the specific heat capacity of the solution is 4.18j/g C, and the density of the final solution is 1.0 g/mL, calculate the enthalpy change per mole of BaSO4 formed.
 
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